A bold new theory reimagines the NAA as a "Rayleigh–Taylor instability"—a geological term for when heavy, cold rock begins to ...

T wo separate pairs of hikers needed help from rangers and the National Guard after becoming stuck overnight on Katahdin’s ...

Discover 20 miles of backcountry trails, towering quartzite cliffs, and primitive camping in Tennessee's most diverse under-the-radar mountain paradise.

Roughly 124 miles (200 kilometers) beneath the Appalachian Mountains in New England lies the aptly named Northern Appalachian ...

In a rugged patch of the Appalachian Trail in eastern Tennessee, volunteers size up a massive, gnarled tree lying on its side ...

Volunteers are still rebuilding parts of the iconic Appalachian Trail in eastern Tennessee nearly a year after Hurricane ...

The Appalachian cottontail (Sylvilagus obscurus) is a charismatic high-elevation species of rabbit thought to be restricted to the Appalachian Mountains south of New York.

While the mountains and foothills are not located along an active tectonic plate boundary, the region still has minor earthquakes linked to old fault lines along the Appalachian Mountains.